If the side of the square increases by 40%, then the area of the square
(A) 60 %
(B) 40 %
(C) 196 %
(D) 96 %
There are 10 lamps in a hall. Each one of them can be switched on
independently. The number of ways in which hall can be illuminated is
(D) 10 !
How many numbers between 100 and 300 begin or end with 2?
In a college having 300 students, every student reads 5 newspapers and
every newspaper is read by 60 students. The number of newspapers
(A) at least 30
(B) at most 20
(C) exactly 25
(D) exactly 5
If (y)x represents a number y in base x, then which of the following
numbers is smallest of all?